>> reporter: perhaps surprisingly, janice can empathize, too. she, too, gave birth 6 months ago to baby number three and struggled. was there a moment, postpartum, for you, where you thought, oh, my god, what have i done? >> every moment postpartum was -- it's sort of horrifying. afterwards, when the bump is gone, you're just kind of a fat lady and it's really harsh. >> reporter: her self-doubt inspired her to write a book to reassure real moms that looks can be deceiving. and celebrities go to sometimes unhealthy extremes to present a certain picture. >> we would have quotes from women, i cried, i work out so hard to lose this weight that i cry, that i don't eat, i'm always hungry. it's crazy things that celebrities do. >> reporter: in "how to look hot in a mini van," she shares what she's learned from hollywood without taking such drastic measures. >> statement necklace. keep the eye away from the rest of your body.